Home / 942,808.68-1,301,037.12-513,089.64

Finding the Fourth Proportional to 942,808.68, 1,301,037.12 and 513,089.64

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Solution

The fourth proportional to 942,808.68, 1,301,037.12 and 513,089.64 is: 708,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,808.68 : 1,301,037.12 = 513,089.64 : x
  2. Step 2: Convert to fraction form
    942,808.68/1,301,037.12 = 513,089.64/x
  3. Step 3: Cross multiply
    942,808.68x = 1,301,037.12 × 513,089.64
  4. Step 4: Simplify right side
    942,808.68x = 667,548,667,527.44
  5. Step 5: Solve for x
    x = 667,548,667,527.44/942,808.68
  6. Step 6: Final answer
    x = 708,042.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.